body{
    background-color: #f5f5f5;
}
.banner-section{
    max-height: 600px;
    overflow: hidden;
}
.banner-container{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.breadcrumb-section{
    padding: 20px 0;
}
.breadcrumb-container{
    max-width: 1226px;
    margin: 0 auto;
    /* padding: 0 40px; */
}
.breadcrumb-container a{
    color: #333;
}
.breadcrumb-container a:hover{
    color: #000;
}
.breadcrumb-container span{
    color: #999;
}

/* 支持内容区域样式 */
.support-content {
    padding: 20px 0 40px;
}

.support-container {
    max-width: 1226px;
    margin: 0 auto;
    display: flex;
    gap: 30px;
}

/* 左侧导航菜单样式 */
.support-sidebar {
    width: 280px;
    flex-shrink: 0;
}

.sidebar-item {
    background-color: #fff;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.sidebar-title {
    padding: 15px 20px;
    background-color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid #eee;
}

.sidebar-title h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.toggle-icon {
    color: #666;
    transition: transform 0.3s;
}

.sidebar-item.collapsed .toggle-icon {
    transform: rotate(180deg);
}

.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 10px 0;
}

.sidebar-menu li {
    padding: 0;
}

.sidebar-menu li a {
    display: block;
    padding: 10px 20px;
    color: #666;
    transition: all 0.3s;
}

.sidebar-menu li a:hover {
    color: #333;
    background-color: #f9f9f9;
}

/* 右侧内容区域样式 */
.support-content-area {
    flex: 1;
}

.content-section {
    background-color: #fff;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.section-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.view-more {
    color: #999;
    font-size: 14px;
}

/**
下载列表样式
 */
.list-download{
    display: block !important;
}

.list-download .download-item{
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    padding-bottom: 5px;
}

.list-download .download-item .btn-download{
    font-size: 14px;
    border: 1px solid #ff0000;
    color: #ff0000;
    padding: 2px 12px;
    border-radius: 4px;
}

.list-download .download-item:hover{
    color: #ff0000;
}
.list-download .download-item:hover .btn-download{
    color: #ffffff;
    background-color: #ff0000;
    transform: translateX(-20px);
}

/**
百问百答列表样式
 */
.list-text{
    display: block !important;
}
.list-text .text-item{
    font-size: 14px;
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    padding-bottom: 5px;
}
.list-text .text-item:hover{
    color: #ff0000;
}

/* 视频网格样式 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.video-item {
    position: relative;
}

.video-cover {
    position: relative;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 10px;
}

.video-cover img {
    width: 100%;
    /*height: auto;*/
    height: 150px;
    display: block;
    transition: transform 0.3s;
    object-fit: cover;
}

.video-item:hover .video-cover img {
    transform: scale(1.05);
}

.video-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(0, 0, 0, 0.6);
    color: #fff;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
}

.video-tag.yellow {
    background-color: #f39c12;
    left: 80px;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 50px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.video-item:hover .play-button {
    opacity: 1;
}

.video-title {
    font-size: 14px;
    color: #333;
    margin-top: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 1024px) {
    .breadcrumb-container{
        padding: 0 20px;
    }
    
    .support-container {
        padding: 0 20px;
    }
    
    .support-sidebar {
        width: 240px;
    }
    
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-content{
        /* margin-top: 60px; */
    }

    .breadcrumb-section{
        padding: 10px 0;
    }

    .breadcrumb-container{
        padding: 0 10px;
    }
    
    .support-container {
        flex-direction: column;
        padding: 0 10px;
    }
    
    .support-sidebar {
        width: 100%;
    }
    
    .video-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}